Analysis
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max time kernel
120s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06/08/2024, 17:17
Static task
static1
Behavioral task
behavioral1
Sample
d21830d99cf57be58e02108b7f575990N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
d21830d99cf57be58e02108b7f575990N.exe
Resource
win10v2004-20240802-en
General
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Target
d21830d99cf57be58e02108b7f575990N.exe
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Size
56KB
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MD5
d21830d99cf57be58e02108b7f575990
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SHA1
47dfaa772b24f4d0be828187bbe4144d7bbfe417
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SHA256
d5405a7c56ee2f9af59173e32825a570baf6e399580adb60bb388f0f996b8c69
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SHA512
fface49aea17f6d4cc2d9b9fb42da847eea5ea358337dbdaadfd446a2eefac328a1bd3350aa31c0b5de5f8fd1971a104cac8340d087fb9e2868ffa5352bc7acc
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SSDEEP
1536:4ouB9ilKki6ezH8P0d//jyAp0TZwIaN1DLKBI2K68B:4o5ETMA/jyAp019KLKBIf
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 4448 urdvxc.exe -
Executes dropped EXE 4 IoCs
pid Process 1480 urdvxc.exe 4660 urdvxc.exe 3232 urdvxc.exe 4448 urdvxc.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\urdvxc.exe d21830d99cf57be58e02108b7f575990N.exe File opened for modification C:\Windows\SysWOW64\urdvxc.exe d21830d99cf57be58e02108b7f575990N.exe File created C:\Windows\SysWOW64\urdvxc.exe urdvxc.exe -
Drops file in Program Files directory 34 IoCs
description ioc Process File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile_view.html urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\tsbknceh.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\1033\README.HTM urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile_browse.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\stream_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\hrbhlxhb.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\browse_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\error_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\offset_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\vlm.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\view.html urdvxc.exe File opened for modification C:\Program Files\Java\jre-1.8\Welcome.html urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\MCABOUT.HTM urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\vlbvwvhv.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\nxqsxhql.exe urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\Welcome.html urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\revhnlhn.exe urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\chllsvtv.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\PersonaSpy.html urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPP.HTM urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\mosaic_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\vlm_export.html urdvxc.exe File opened for modification C:\Program Files\Java\jre-1.8\hcjzqenb.exe urdvxc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\1033\rvhrjtnt.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\equalizer_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\mobile_equalizer.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\index.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\bkbbtzlb.exe urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\kznjrtew.exe urdvxc.exe File opened for modification C:\Program Files\Java\jdk-1.8\README.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\batch_window.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\create_stream.html urdvxc.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\dialogs\stream_config_window.html urdvxc.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d21830d99cf57be58e02108b7f575990N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language urdvxc.exe -
Modifies registry class 60 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7E2FF8C9-A477-A039-E46F-5E38AA355AA4} d21830d99cf57be58e02108b7f575990N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\ = "vsvknjsjhkhnwlrj" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\ = "jqblrrhhhbbshzxs" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62B77361-C052-178D-5313-7AF2D2475E12}\ = "hvxrsvkberkjljts" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C}\ = "nrzrtexvhzbxvtek" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\ = "tbrevvwqlhkhnhkl" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7E2FF8C9-A477-A039-E46F-5E38AA355AA4}\LocalServer32 d21830d99cf57be58e02108b7f575990N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "tksbxrcvsjzrbbhh" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32\ = "C:\\Program Files\\Java\\jdk-1.8\\chllsvtv.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "nchnebkbtbjenwer" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\ = "llshkqbwbhwvelne" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5BFAF607-9DDA-565E-A528-64082B45FA4C}\ = "sthkscrvlzhclrel" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7E2FF8C9-A477-A039-E46F-5E38AA355AA4}\ = "nwbnnxjehejbxnth" d21830d99cf57be58e02108b7f575990N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7E2FF8C9-A477-A039-E46F-5E38AA355AA4}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d21830d99cf57be58e02108b7f575990N.exe" d21830d99cf57be58e02108b7f575990N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "ntwsqlewrnswxbht" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210}\ = "zrezvnsbshvenkhb" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8308FF82-554C-D53A-FE36-8DDED83673EF} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D9E5B2A0-6DA4-8211-3F09-7196AABBE564}\LocalServer32\ = "C:\\Program Files\\Microsoft Office\\root\\Office16\\PersonaSpy\\tsbknceh.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5BFAF607-9DDA-565E-A528-64082B45FA4C}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62B77361-C052-178D-5313-7AF2D2475E12}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\nxqsxhql.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB4470BE-3A35-A218-C7F6-4398C8694892}\LocalServer32\ = "C:\\Program Files\\Microsoft Office\\root\\vfs\\ProgramFilesCommonX64\\Microsoft Shared\\Smart Tag\\1033\\rvhrjtnt.exe" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1F8B4D-AC79-4B22-67EA-E30560A5BF1C}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\bkbbtzlb.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "ejrhqhvtseeqebwv" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD}\ = "werqnsrtbzwnckvv" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5BFAF607-9DDA-565E-A528-64082B45FA4C}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\kznjrtew.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA7BCA8-2512-8FCE-67B5-F36442F4E210}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\vlbvwvhv.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA7E191-3518-8C5E-DAD0-E316016B7509}\LocalServer32\ = "C:\\Program Files\\Java\\jdk-1.8\\jre\\revhnlhn.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62B77361-C052-178D-5313-7AF2D2475E12}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8308FF82-554C-D53A-FE36-8DDED83673EF}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D72C442F-6EA9-BFAF-2703-0F262F8765FD} urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5BFAF607-9DDA-565E-A528-64082B45FA4C} urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8308FF82-554C-D53A-FE36-8DDED83673EF}\ = "csljxztnbssehekt" urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8308FF82-554C-D53A-FE36-8DDED83673EF}\LocalServer32\ = "C:\\Program Files\\VideoLAN\\VLC\\lua\\http\\hrbhlxhb.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32 urdvxc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\LocalServer32\ = "C:\\Program Files\\Java\\jre-1.8\\hcjzqenb.exe" urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC84F518-2B78-BCFB-E876-EDAE640549C3}\LocalServer32 urdvxc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62B77361-C052-178D-5313-7AF2D2475E12} urdvxc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1480 urdvxc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4940 wrote to memory of 1480 4940 d21830d99cf57be58e02108b7f575990N.exe 86 PID 4940 wrote to memory of 1480 4940 d21830d99cf57be58e02108b7f575990N.exe 86 PID 4940 wrote to memory of 1480 4940 d21830d99cf57be58e02108b7f575990N.exe 86 PID 4940 wrote to memory of 4660 4940 d21830d99cf57be58e02108b7f575990N.exe 87 PID 4940 wrote to memory of 4660 4940 d21830d99cf57be58e02108b7f575990N.exe 87 PID 4940 wrote to memory of 4660 4940 d21830d99cf57be58e02108b7f575990N.exe 87 PID 4940 wrote to memory of 4448 4940 d21830d99cf57be58e02108b7f575990N.exe 89 PID 4940 wrote to memory of 4448 4940 d21830d99cf57be58e02108b7f575990N.exe 89 PID 4940 wrote to memory of 4448 4940 d21830d99cf57be58e02108b7f575990N.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\d21830d99cf57be58e02108b7f575990N.exe"C:\Users\Admin\AppData\Local\Temp\d21830d99cf57be58e02108b7f575990N.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /installservice2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:1480
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /start2⤵
- Executes dropped EXE
- Modifies registry class
PID:4660
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C:\Windows\SysWOW64\urdvxc.exeC:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\d21830d99cf57be58e02108b7f575990N.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies registry class
PID:4448
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C:\Windows\SysWOW64\urdvxc.exe"C:\Windows\SysWOW64\urdvxc.exe" /service1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
PID:3232
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD5d21830d99cf57be58e02108b7f575990
SHA147dfaa772b24f4d0be828187bbe4144d7bbfe417
SHA256d5405a7c56ee2f9af59173e32825a570baf6e399580adb60bb388f0f996b8c69
SHA512fface49aea17f6d4cc2d9b9fb42da847eea5ea358337dbdaadfd446a2eefac328a1bd3350aa31c0b5de5f8fd1971a104cac8340d087fb9e2868ffa5352bc7acc